1) A way of transferring energy or information without transferring matter. a) Wave b) Beam c) Signal d) Wifi 2) A wave where the particles vibrate parallel to the direction the wave is travelling. a) Transverse b) Mexican c) Sea d) Longitudinal 3) A wave where the vibrations are perpendicular to the direction the wave is travelling. a) Sound b) Transverse c) Amplitude d) Longitudinal 4) The size of vibrations or the maximum distance a particle moves away from its resting position when a wave passes. a) Wavelength b) Frequency c) Amplitude d) Intensity 5) The distance between a point on one wave and the same point on the next wave. a) Wavelength b) Frequency c) Amplitude d) Intensity 6) The time taken for one complete wave to pass a point. It is measured in seconds. a) Wavelength b) Frequency c) Period d) Intensity 7) The number of vibrations (or the number of waves) per second. a) Amplitude b) Frequency c) Period d) Intensity 8) The unit for frequency. a) Seconds b) Joules c) Watts d) Hertz 9) The speed of an object in a particular direction. a) Acceleration b) Momentum c) Velocity d) Inertia 10) Vibrations in the rocks of the Earth caused by earthquakes or explosions. a) Seismic b) Tectonic c) Sound d) Richter Waves 11) Vibrations in the particles of a solid, liquid or gas, which are detected by our ears and ‘heard’ as sounds. a) Sonic Waves b) Sound Waves c) Seismic Waves d) Light Waves 12) A group of waves that all travel at the speed of light in a vacuum and are all transverse. a) Sound b) Seismic c) Electromagnetic d) Gravitational 13) When a wave disappears as the energy it is carrying transfers to the medium through which it is travelling. a) Absorb b) Transmit c) Refract d) Reflect 14) When a wave passes through a material. a) Absorb b) Transmit c) Refract d) Reflect 15) The change in direction when waves go from one medium to another. a) Absorb b) Transmit c) Refract d) Reflect 16) To make waves bigger. a) Volumise b) Amplify c) Doppler Shift d) Compress 17) Any substance through which something travels. a) Body b) Ether c) Vacuum d) Medium 18) The boundary between two materials. a) Bridge b) Interface c) Edge d) Fence 19) An imaginary line at right angles to a surface where a ray of light hits it. a) Perpendicular b) Normal c) Tangent d) Parallel

KWMC Waves & Refraction

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